Final answer:
To find the time the train travels, we use the formula t = d/r. Given the train travels 616 miles at an average speed of 55 miles per hour, the time is calculated as 11.2 hours.
Step-by-step explanation:
To calculate the time the train travels using the equation d = rt (where d represents distance, r represents rate or speed, and t represents time), we can rearrange the equation to solve for t as t = d/r. Given the distance (d) the train travels is 616 miles and the average speed (r) of the train is 55 miles per hour, we can substitute these values into the equation.
Using the rearranged equation, t = 616 miles / 55 miles per hour,
The time (t) is calculated as:
t = 616 miles / 55 miles per hour = 11.2 hours.
Therefore, the train travels for 11.2 hours.